<template>
    <div class="login_container">
        <div class="login_box">
            <div class="avatar_box">
                <img src="../assets/logo.png" alt="">
            </div>
            <el-form ref="loginFormRef" label-width="0px" class="login_form" :model="loginForm" :rules='loginFormRules'>
                <el-form-item prop='username'>
                    <el-input prefix-icon="iconfont icon-IconUserLogin" v-model="loginForm.username"></el-input>
                </el-form-item>
                <el-form-item prop='password'>
                    <el-input type="password" prefix-icon="iconfont icon-mima" v-model="loginForm.password"></el-input>
                </el-form-item>
                <el-form-item class="btns">
                    <el-button type="primary" @click="Login">登陆</el-button>
                    <el-button type="info" @click="resetLogin">重置</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>
<script>
export default {
    data(){
        return {
            loginForm:{
                username:'admin',
                password:'123456',
            },
            //表单验证规则
            loginFormRules:{
                username: [
                    { required: true, message: '请输入用户名', trigger: 'blur' },
                    { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' }
                ],
                password: [
                    { required: true, message: '请输入密码', trigger: 'blur' },
                    { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
                ],
            }
        }
    },
    methods:{
        //重置(和 el-form 里面的 ref="loginFormRef")
        resetLogin(){
            console.log(this);
            this.$refs.loginFormRef.resetFields();
        },
        //validate 预验证,就是看 “表单验证规则”是否报错
        Login(){
            this.$refs.loginFormRef.validate(async valid=>{
                //console.log(valid)
                if(!valid){
                    return;
                }else{
                    const result = await this.$http.post('login',this.loginForm);
                    console.log(result.data.data.token);
                    if(result.data.meta.status !== 200){
                        this.$message.error('登陆失败');
                    }else{
                        this.$message.success('登陆成功');
                        //sessionStorage存token
                        window.sessionStorage.setItem('token',result.data.data.token);
                        this.$router.push('/Jia');
                    }
                }
            });
        }
    }
}
</script>
<style scoped>
.login_container{
    background:#2b4b6b; 
    height: 100%;
}
.login_box{
    width: 450px;
    height: 300px;
    background: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top:50%;
    transform: translate(-50%,-50%);
}
.avatar_box{
    width: 130px;
    height:130px; 
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%,-50%);
    background: #fff;
}
.avatar_box img{
    width:100%;
    height: 100%;
    border-radius: 50%;
    background: #eee;
}
.btns{
    display: flex;
    justify-content: flex-end;
}
.login_form{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
}
</style>


